78420026301 has 8 divisors (see below), whose sum is σ = 104565324864. Its totient is φ = 52277372640.

The previous prime is 78420026281. The next prime is 78420026309. The reversal of 78420026301 is 10362002487.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78420026301 - 2³⁵ = 44060287933 is a prime.

It is a super-2 number, since 2×78420026301² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78420026309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590976 + ... + 711401.

It is an arithmetic number, because the mean of its divisors is an integer number (13070665608).

Almost surely, 2^78420026301 is an apocalyptic number.

It is an amenable number.

78420026301 is a deficient number, since it is larger than the sum of its proper divisors (26145298563).

78420026301 is a wasteful number, since it uses less digits than its factorization.

78420026301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322451.

The product of its (nonzero) digits is 16128, while the sum is 33.

Adding to 78420026301 its reverse (10362002487), we get a palindrome (88782028788).

The spelling of 78420026301 in words is "seventy-eight billion, four hundred twenty million, twenty-six thousand, three hundred one".